Question

If f(x) = -8x2 + 3x + 1 and g(x) = x + 1, find (f + g) (x).

Answer 1

Given the functions

$f(x)=-8x^2+3x+1$$g(x)=x+1$

since

$(f+g)(x)=f(x)+g(x)$

then

$(f+g)(x)=(-8x^2+3x+1)+(x+1)$$(f+g)(x)=-8x^2+4x+2$

Correct answer

Option C